<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty {config_load} function plugin
 *
 * Type:	 function<br>
 * Name:	 config_load<br>
 * Purpose:  load config file vars
 * @link http://smarty.php.net/manual/en/language.function.config.load.php {config_load}
 *	   (Smarty online manual)
 * @param array Format:
 * <pre>
 * array('file' => required config file name,
 *	   'section' => optional config file section to load
 *	   'scope' => local/parent/global
 *	   'global' => overrides scope, setting to parent if true)
 * </pre>
 * @param Smarty
 */
function smarty_function_config_load($params, &$smarty)
{
		if ($smarty->debugging) {
			$_params = array();
			require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
			$_debug_start_time = smarty_core_get_microtime($_params, $smarty);
		}

		$_file = isset($params['file']) ? $smarty->_dequote($params['file']) : null;
		$_section = isset($params['section']) ? $smarty->_dequote($params['section']) : null;
		$_scope = isset($params['scope']) ? $smarty->_dequote($params['scope']) : 'global';
		$_global = isset($params['global']) ? $smarty->_dequote($params['global']) : false;

		if (!isset($_file) || strlen($_file) == 0) {
			$smarty->trigger_error("missing 'file' attribute in config_load tag", E_USER_ERROR, __FILE__, __LINE__);
		}

		if (isset($_scope)) {
			if ($_scope != 'local' &&
				$_scope != 'parent' &&
				$_scope != 'global') {
				$smarty->trigger_error("invalid 'scope' attribute value", E_USER_ERROR, __FILE__, __LINE__);
			}
		} else {
			if ($_global) {
				$_scope = 'parent';
			} else {
				$_scope = 'local';
			}
		}

		$_params = array('resource_name' => $_file,
						 'resource_base_path' => $smarty->config_dir,
						 'get_source' => false);
		$smarty->_parse_resource_name($_params);
		$_file_path = $_params['resource_type'] . ':' . $_params['resource_name'];
		if (isset($_section))
			$_compile_file = $smarty->_get_compile_path($_file_path.'|'.$_section);
		else
			$_compile_file = $smarty->_get_compile_path($_file_path);

		if($smarty->force_compile || !file_exists($_compile_file)) {
			$_compile = true;
		} elseif ($smarty->compile_check) {
			$_params = array('resource_name' => $_file,
							 'resource_base_path' => $smarty->config_dir,
							 'get_source' => false);
			$_compile = $smarty->_fetch_resource_info($_params) &&
				$_params['resource_timestamp'] > filemtime($_compile_file);
		} else {
			$_compile = false;
		}

		if($_compile) {
			// compile config file
			if(!is_object($smarty->_conf_obj)) {
				require_once SMARTY_DIR . $smarty->config_class . '.class.php';
				$smarty->_conf_obj = new $smarty->config_class();
				$smarty->_conf_obj->overwrite = $smarty->config_overwrite;
				$smarty->_conf_obj->booleanize = $smarty->config_booleanize;
				$smarty->_conf_obj->read_hidden = $smarty->config_read_hidden;
				$smarty->_conf_obj->fix_newlines = $smarty->config_fix_newlines;
			}

			$_params = array('resource_name' => $_file,
							 'resource_base_path' => $smarty->config_dir,
							 $_params['get_source'] = true);
			if (!$smarty->_fetch_resource_info($_params)) {
				return;
			}
			$smarty->_conf_obj->set_file_contents($_file, $_params['source_content']);
			$_config_vars = array_merge($smarty->_conf_obj->get($_file),
					$smarty->_conf_obj->get($_file, $_section));
			if(function_exists('var_export')) {
				$_output = '<?php $_config_vars = ' . var_export($_config_vars, true) . '; ?>';
			} else {
				$_output = '<?php $_config_vars = unserialize(\'' . strtr(serialize($_config_vars),array('\''=>'\\\'', '\\'=>'\\\\')) . '\'); ?>';
			}
			$_params = (array('compile_path' => $_compile_file, 'compiled_content' => $_output, 'resource_timestamp' => $_params['resource_timestamp']));
			require_once(SMARTY_CORE_DIR . 'core.write_compiled_resource.php');
			smarty_core_write_compiled_resource($_params, $smarty);
		} else {
			include($_compile_file);
		}

		if ($smarty->caching) {
			$smarty->_cache_info['config'][$_file] = true;
		}

		$smarty->_config[0]['vars'] = @array_merge($smarty->_config[0]['vars'], $_config_vars);
		$smarty->_config[0]['files'][$_file] = true;

		if ($_scope == 'parent') {
				$smarty->_config[1]['vars'] = @array_merge($smarty->_config[1]['vars'], $_config_vars);
				$smarty->_config[1]['files'][$_file] = true;
		} else if ($_scope == 'global') {
			for ($i = 1, $for_max = count($smarty->_config); $i < $for_max; $i++) {
				$smarty->_config[$i]['vars'] = @array_merge($smarty->_config[$i]['vars'], $_config_vars);
				$smarty->_config[$i]['files'][$_file] = true;
			}
		}

		if ($smarty->debugging) {
			$_params = array();
			require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
			$smarty->_smarty_debug_info[] = array('type'	  => 'config',
												'filename'  => $_file.' ['.$_section.'] '.$_scope,
												'depth'	 => $smarty->_inclusion_depth,
												'exec_time' => smarty_core_get_microtime($_params, $smarty) - $_debug_start_time);
		}

}

/* vim: set expandtab: */

?>
